Dishonored - Low Chaos Walkthrough - Mission 1: Prologue

*POSSIBLE MISSION SPOILERS*
BRIEFING:
You have just returned from a journey of several months, visiting the other nations in the Empire to ask for aid in dealing with the Rat Plague. You must deliver their diplomatic response to the Empress, whom you serve as Lord Protector.
IGN shows you how to get through mission one of Dishonored without killing anyone or being detected. Completing the game in this fashion earns you the 'Ghost,' 'Shadow,' and 'Clean Hands' trophies / achievements.